Some 800 million miles away, NASA’s Cassini spacecraft has orbited Saturn and captured images of its rings and icy moons. After nearly 5 billion miles traveled and 20 years of sending revealing data from the gas giant, Cassini is winding…

Haunting and detailed pictures of Saturn’s moon Enceladus are being released by NASA today after an October 28 flyby in which the Cassini spacecraft skimmed by only about 30 miles above the moon’s surface.

Researchers have spotted a liquid lake on Saturn's moon Titan, making that moon the first celestial body shown to have fluid on its surface. But this isn't a lake you'd want to swim in -- it's made up of ethane,…